investigate的名词形式为investigation。investigate作为动词，中文翻译为侦查某事、调查某人、研究、调查；而investigation作为investigate的名词形式，中文含义为调查、科学研究、学术研究，其复数形式为investigations。
一、investigate的中文含义及用法介绍
investigate作为动词，意为侦查(某事);调查(某人);研究;调查。
例句：The FBI has been called in to investigate.
联邦调查局奉命进行调查。
Police are investigating possible links between the murders.
警察正在调查这些谋杀案之间是否存在关联。
This is not the first time he has been investigated by the police for fraud.
这不是警方第一次调查他是否有欺诈行为。
Scientists are investigating the effects of diet on fighting cancer.
科学家正在研究饮食的抗癌作用。
An independent body has been set up to investigate the affair.
已成立了一个独立机构调查这件事。
The crime is presently being investigated by the police.
警方目前正在调查这起案件。
二、investigation的中文含义及用法介绍
investigation作为名词，意为(正式的)调查，侦查;科学研究;学术研究。
例句：She is still under investigation .
她仍在接受调查。
The investigation has entered a new phase.
调查已进入新阶段。
The government has promised a full investigation into the disaster.
政府已承诺对这次灾难进行全面调查。
This line of investigation is getting us nowhere.
这种调查方式不会使我们得到任何结果。
